Mathematics, 14.04.2020 02:22 gungamer720

What are the solutions of the equation x4 + 6x2 + 5 = 0? Use u substitution to solve.
x = i and x = iStartRoot 5 EndRoot
x = plus-or-minus i and x = plus-or-minus iStartRoot 5 EndRoot
x = plus-or-minus StartRoot negative 1 EndRoot and x = plus-or-minus StartRoot negative 5 EndRoot
x = plus-or-minus Negative 1 and x = plus-or-minus -StartRoot 5 EndRoot

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What are the solutions of the equation x4 + 6x2 + 5 = 0? Use u substitution to solve.
x = i an...

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